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package tim.prune.function.srtm;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.util.Base64;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import tim.prune.App;
import tim.prune.GenericFunction;
import tim.prune.I18nManager;
import tim.prune.config.Config;
import tim.prune.function.browser.BrowserLauncher;
/**
* Configure SRTM sources, including authentication for the NASA Earthdata systems
* @author fperrin, activityworkshop
*/
public class ConfigureSrtmSources extends GenericFunction
{
private JDialog _dialog = null;
private JCheckBox _oneSecondCheck = null;
private boolean _oneSecondOriginallyOn = false;
private String _authString = null;
private JButton _okButton = null;
/**
* Constructor
* @param inApp App object
*/
public ConfigureSrtmSources(App inApp) {
super(inApp);
}
/** @return name key */
public String getNameKey() {
return "function.configuresrtmsources";
}
/**
* Function entry point
*/
public void begin()
{
if (_dialog == null)
{
_dialog = new JDialog(_parentFrame, getName(), true);
_dialog.setLocationRelativeTo(_parentFrame);
// Create Gui and show it
_dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
_dialog.getContentPane().add(makeDialogComponents());
_dialog.pack();
}
prefillCurrentAuth();
_dialog.setVisible(true);
}
/**
* Make the dialog components
* @return the GUI components for the dialog
*/
private JPanel makeDialogComponents()
{
JPanel dialogPanel = new JPanel();
dialogPanel.setLayout(new BorderLayout());
// Make a central panel with boxes for each of 3-second and 1-second sources
JPanel mainPanel = new JPanel();
mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
JPanel introPanel = new JPanel();
introPanel.setLayout(new BoxLayout(introPanel, BoxLayout.Y_AXIS));
introPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.intro1")));
introPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.intro2")));
mainPanel.add(introPanel);
mainPanel.add(Box.createRigidArea(new Dimension(0, 10)));
// 3-second source
JPanel threeSecondPanel = new JPanel();
threeSecondPanel.setBorder(BorderFactory.createTitledBorder(""));
threeSecondPanel.setLayout(new BoxLayout(threeSecondPanel, BoxLayout.Y_AXIS));
JCheckBox threeSecondCheck = new JCheckBox(I18nManager.getText("dialog.configuresrtm.threesecond"));
threeSecondCheck.setSelected(true);
threeSecondCheck.setEnabled(false);
threeSecondPanel.add(threeSecondCheck);
threeSecondPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.threesecond.desc")));
mainPanel.add(threeSecondPanel);
mainPanel.add(Box.createRigidArea(new Dimension(0, 10)));
// 1-second source
JPanel oneSecondPanel = new JPanel();
oneSecondPanel.setBorder(BorderFactory.createTitledBorder(""));
oneSecondPanel.setLayout(new BoxLayout(oneSecondPanel, BoxLayout.Y_AXIS));
_oneSecondCheck = new JCheckBox(I18nManager.getText("dialog.configuresrtm.onesecond"));
_oneSecondCheck.setSelected(true);
oneSecondPanel.add(_oneSecondCheck);
_oneSecondCheck.addActionListener(e -> {
if (_oneSecondCheck.isSelected()) {
setupEarthdataAuth();
}
_okButton.setEnabled(_oneSecondCheck.isSelected() != _oneSecondOriginallyOn);
});
oneSecondPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.onesecond.desc1")));
oneSecondPanel.add(new JLabel(I18nManager.getText("dialog.configuresrtm.onesecond.desc2")));
mainPanel.add(oneSecondPanel);
mainPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
dialogPanel.add(mainPanel, BorderLayout.CENTER);
// ok / cancel buttons at bottom
JPanel buttonPanel = new JPanel();
buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
_okButton = new JButton(I18nManager.getText("button.ok"));
_okButton.addActionListener(e -> finish());
buttonPanel.add(_okButton);
JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
cancelButton.addActionListener(e -> _dialog.dispose());
buttonPanel.add(cancelButton);
dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
return dialogPanel;
}
/**
* User has activated the 1-second checkbox, so we need to ask for username / password details
* and save the result
*/
private void setupEarthdataAuth()
{
Object[] buttonTexts = {I18nManager.getText("button.yes"), I18nManager.getText("button.no")};
int showWebsiteAnswer = JOptionPane.showOptionDialog(_parentFrame,
I18nManager.getText("dialog.configuresrtm.showregistrationwebsite"),
getName(), JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE, null, buttonTexts, buttonTexts[1]);
if (showWebsiteAnswer == JOptionPane.YES_OPTION) {
BrowserLauncher.launchBrowser("https://urs.earthdata.nasa.gov/users/new");
}
// Now get the registered user id
Object userId = JOptionPane.showInputDialog(_app.getFrame(),
I18nManager.getText("dialog.configuresrtm.userid"), getName(),
JOptionPane.QUESTION_MESSAGE, null, null, "");
if (userId == null || userId.equals(""))
{
_oneSecondCheck.setSelected(false);
return;
}
Object password = JOptionPane.showInputDialog(_app.getFrame(),
I18nManager.getText("dialog.configuresrtm.password"), getName(),
JOptionPane.QUESTION_MESSAGE, null, null, "");
if (password == null || password.equals(""))
{
_oneSecondCheck.setSelected(false);
return;
}
String authString = Base64.getEncoder().encodeToString((userId.toString() + ":" + password.toString()).getBytes());
if (isAuthValid(authString)) {
_authString = authString;
}
else
{
JOptionPane.showMessageDialog(_dialog, I18nManager.getText("dialog.configuresrtm.loginfailed"),
getName(), JOptionPane.ERROR_MESSAGE);
_oneSecondCheck.setSelected(false);
}
}
/**
* React to 'OK' being pressed, to save the config
*/
private void finish()
{
if (_oneSecondCheck.isSelected())
{
if (_authString != null) {
getConfig().setConfigString(Config.KEY_EARTHDATA_AUTH, _authString);
}
}
else {
getConfig().setConfigString(Config.KEY_EARTHDATA_AUTH, null);
}
_dialog.dispose();
}
/**
* Init the dialog according to the saved authentication config
*/
private void prefillCurrentAuth()
{
String authString = getConfig().getConfigString(Config.KEY_EARTHDATA_AUTH);
_oneSecondCheck.setSelected(isAuthValid(authString));
_authString = null;
_oneSecondOriginallyOn = _oneSecondCheck.isSelected();
_okButton.setEnabled(false);
}
/**
* Check the given config string for successful authentication using the NASA server
*/
private boolean isAuthValid(String inConfigString)
{
// TODO: Use this string to login to NASA server and check success or failure
return inConfigString != null && !inConfigString.isEmpty();
}
}
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